N05.1

N05.1: Unspecified nephritic syndrome with focal and segmental glomerular lesions

Billable / specific codeICD-10-CM

N05.1 is a billable, specific ICD-10-CM code for unspecified nephritic syndrome with focal and segmental glomerular lesions. It is valid for submission on a claim.

Check N05.1 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Unspecified nephritic syndrome with focal and segmental hyalinosis
Unspecified nephritic syndrome with focal and segmental sclerosis
Unspecified nephritic syndrome with focal glomerulonephritis

Excludes1 inherited from the categories above N05.1

A category’s note binds every code beneath it.

Written on N05: Unspecified nephritic syndrome

nephropathy NOS with no stated morphological lesion (N28.9)
renal disease NOS with no stated morphological lesion (N28.9)
tubulo-interstitial nephritis NOS (N12)

Other codes that can never be billed with N05.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

N00Acute nephritic syndrome
N01Rapidly progressive nephritic syndrome
N03Chronic nephritic syndrome
N28.9Disorder of kidney and ureter, unspecified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

N05.1 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A55336Billing and Coding: Retroperitoneal Ultrasound

Alphabetic index entries that lead here

Glomerulonephritis›focal(and segmental)
Hyalinosis›focal and segmental(glomerular)
Sclerosis, sclerotic›focal and segmental(glomerular)
Lesion›glomerular›focal and segmental
Nephritis, nephritic›with›focal and segmental glomerular lesions

Code history

Unchanged in every release from FY2024 to FY2027.